oops, I see you have not NAMED your iframe. It MUST have a name = iframename parameter, and you address that directly -- if you address the DIV nothing will happen, because DIVs do not control iframes and really should not enclose them, except for positioning.

Thanks for the suggestion. For some reason I had to use the below. The suggestion you gave me threw a JS error saying that property wasn't supported by the object. I thought the code below and what you suggested is basically the same thing, right?

This article explains how to prepare an HTML email signature template file containing dynamic placeholders for users' Azure AD data. Furthermore, it explains how to use this file to remotely set up a department-wide email signature policy in Office …

In this tutorial viewers will learn how to embed an audio file in a webpage using HTML5.
Ensure your DOCTYPE declaration is set to HTML5: : The declaration should display
(CODE)
HTML5 is supported by the most recent versions of all major browsers…

The viewer will learn the basics of jQuery, including how to invoke it on a web page.
Reference your jQuery libraries: (CODE)
Include your new external js/jQuery file: (CODE)
Write your first lines of code to setup your site for jQuery.: (CODE)